REMOTE PUMPED DUAL CORE OPTICAL FIBER SYSTEM FOR USE IN SUBTERRANEAN WELLS
First Claim
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1. A downhole optical system, comprising:
- an optical fiber disposed in a subterranean well; and
an optical fiber amplifier which amplifies optical power in a first core of the optical fiber in the well, the amplifier being optically pumped with optical power in a second core of the optical fiber in the well.
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Abstract
A downhole optical system can include an optical fiber disposed in a subterranean well, and an optical fiber amplifier which amplifies optical power in a core of the optical fiber in the well, the amplifier being optically pumped with optical power in another core of the optical fiber in the well. Another downhole optical system can include an optical fiber disposed in a subterranean well, the optical fiber comprising multiple cores, and an optical fiber amplifier comprising multiple cores optically coupled respectively to the optical fiber multiple cores in the well.
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Citations
30 Claims
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1. A downhole optical system, comprising:
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an optical fiber disposed in a subterranean well; and an optical fiber amplifier which amplifies optical power in a first core of the optical fiber in the well, the amplifier being optically pumped with optical power in a second core of the optical fiber in the well. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A downhole optical system, comprising:
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an optical fiber disposed in a subterranean well, the optical fiber comprising first and second cores; and an optical fiber amplifier comprising first and second cores optically coupled respectively to the optical fiber first and second cores in the well. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A downhole optical system, comprising:
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an optical fiber disposed in a subterranean well; and an optical fiber amplifier which amplifies optical power in a single mode core of the optical fiber in the well, the amplifier being optically pumped with optical power in a multiple mode core of the optical fiber in the well, wherein the single mode core is surrounded by the multiple mode core. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30)
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Specification